[dm-devel] [PATCH] trivial patch to dm-snap.c
Dave Olien
dmo at osdl.org
Tue Apr 27 22:15:04 UTC 2004
Here's a trivial patch to dm-snap.c. Just adds some static declarations and fix
up an unused function.
diff -ur linux-2.6.6-rc2-mm1-udm1-original/drivers/md/dm-snap.c linux-2.6.6-rc2-mm1-udm1-patched/drivers/md/dm-snap.c
--- linux-2.6.6-rc2-mm1-udm1-original/drivers/md/dm-snap.c 2004-04-27 15:10:27.000000000 -0700
+++ linux-2.6.6-rc2-mm1-udm1-patched/drivers/md/dm-snap.c 2004-04-27 14:53:54.000000000 -0700
@@ -608,9 +608,9 @@
return NULL;
}
+#if 0
static void check_free_space(struct dm_snapshot *s)
{
-#if 0
sector_t numerator, denominator;
double n, d;
unsigned pc;
@@ -628,8 +628,8 @@
dm_table_event(s->table);
s->last_percent = pc - pc % WAKE_UP_PERCENT;
}
-#endif
}
+#endif
static void pending_complete(struct pending_exception *pe, int success)
{
@@ -667,8 +667,10 @@
flush_bios(bio_list_get(&pe->snapshot_bios));
DMDEBUG("Exception completed successfully.");
+#if 0
/* Notify any interested parties */
//check_free_space(s);
+#endif
} else {
/* Read/write error - snapshot is unusable */
@@ -889,7 +891,7 @@
return r;
}
-void snapshot_resume(struct dm_target *ti)
+static void snapshot_resume(struct dm_target *ti)
{
struct dm_snapshot *s = (struct dm_snapshot *) ti->private;
@@ -1040,7 +1042,7 @@
/*
* Called on a write from the origin driver.
*/
-int do_origin(struct dm_dev *origin, struct bio *bio)
+static int do_origin(struct dm_dev *origin, struct bio *bio)
{
struct origin *o;
int r;
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